CK-12 Geometry-Concepts

http://www.ck12.org Chapter 7. Similarity MEDIA Click image to the left for use the URL below. URL: http://www.ck12.org/flx/rend ...

7.2. Proportion Properties http://www.ck12.org a)^45 = 30 x b)y+ 81 = 205 c)^65 =^2 xx−+ 24 To solve a proportion, you need tocr ...

http://www.ck12.org Chapter 7. Similarity 1. 142 = 355 2.^355 =^142 3.^52 =^3514 If you cross-multiply all four of these proport ...

7.2. Proportion Properties http://www.ck12.org In the picture,EDAD=BCAC. Findy. IfABBE=CDACin the picture above, findBE. Answe ...

http://www.ck12.org Chapter 7. Similarity y− 83 =y+ 56 z^20 + 5 =^167 Shawna drove 245 miles and used 8.2 gallons of gas. At th ...

7.3. Similar Polygons and Scale Factors http://www.ck12.org 7.3 Similar Polygons and Scale Factors Here you’ll learn how to iden ...

http://www.ck12.org Chapter 7. Similarity These polygons arenot similar: Think about similar polygons as enlarging or shrinking ...

7.3. Similar Polygons and Scale Factors http://www.ck12.org Example C ABCD∼AMNP. Find the scale factor and the length ofBC. Line ...

http://www.ck12.org Chapter 7. Similarity What is the scale factor of 4 ABCto 4 XY Z? Write the similarity statement. 4 ABC∼4MN ...

7.3. Similar Polygons and Scale Factors http://www.ck12.org Use the picture to the right to answer questions 14-18. Findm^6 Ean ...

http://www.ck12.org Chapter 7. Similarity 24.QUAD∼KENT Find the perimeter ofQUAD. 4 CAT∼4DOGSolve forxandy. 26.PENT A∼F IV ER ...

7.3. Similar Polygons and Scale Factors http://www.ck12.org 4 MNO∼4X NY Solve foraandb. TrapezoidsHAV E∼KNOTSolve forxandy. Two ...

http://www.ck12.org Chapter 7. Similarity 7.4 AA Similarity Here you’ll learn how to determine whether or not two triangles are ...

7.4. AA Similarity http://www.ck12.org Investigation: Constructing Similar Triangles Tools Needed: pencil, paper, protractor, ru ...

http://www.ck12.org Chapter 7. Similarity Example B Determine if the following two triangles are similar. If so, write the simil ...

7.4. AA Similarity http://www.ck12.org Guided Practice Are the following triangles similar? If so, write a similarity statement. ...

http://www.ck12.org Chapter 7. Similarity 1. 4 SAM∼4 2. SA? =SM? =RI? 3.SM= 4.T R= 5.^9 ?=? 8 Answer questions 6-9 about trapezo ...

7.4. AA Similarity http://www.ck12.org Are the two triangles similar? How do you know? Write an expression forF Ein terms ofk. ...

http://www.ck12.org Chapter 7. Similarity 7.5 Indirect Measurement Here you’ll learn how to apply your knowledge of similar tria ...

7.5. Indirect Measurement http://www.ck12.org Example A A tree outside Ellie’s building casts a 125 foot shadow. At the same tim ...